<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch">
      <el-form-item label="菜单名称" prop="menuName">
        <el-input
          v-model="queryParams.menuName"
          placeholder="请输入菜单名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="菜单状态" clearable size="small">
          <el-option
            v-for="dict in statusOptions"
            :key="dict.dictValue"
            :label="dict.dictLabel"
            :value="dict.dictValue"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="cyan" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button type="primary" icon="el-icon-plus" size="mini" @click="handleAdd" v-hasPermi="['system:menu:add']"
          >新增</el-button
        >
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="menuList"
      row-key="menuId"
      :tree-props="{ children: 'children', hasChildren: 'hasChildren' }"
    >
      <el-table-column prop="menuName" label="菜单名称" :show-overflow-tooltip="true" width="160"></el-table-column>
      <el-table-column prop="icon" label="图标" align="center" width="100">
        <template slot-scope="scope">
          <svg-icon :icon-class="scope.row.icon" />
        </template>
      </el-table-column>
      <el-table-column prop="orderNum" label="排序" width="60"></el-table-column>
      <el-table-column prop="perms" label="权限标识" :show-overflow-tooltip="true"></el-table-column>
      <el-table-column prop="component" label="组件路径" :show-overflow-tooltip="true"></el-table-column>
      <el-table-column prop="status" label="状态" :formatter="statusFormat" width="80"></el-table-column>
      <el-table-column label="创建时间" align="center" prop="createTime">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime) }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['system:menu:edit']"
            >修改</el-button
          >
          <el-button
            size="mini"
            type="text"
            icon="el-icon-plus"
            @click="handleAdd(scope.row)"
            v-hasPermi="['system:menu:add']"
            >新增</el-button
          >
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['system:menu:remove']"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <!-- 添加或修改菜单对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="600px" append-to-body :close-on-click-modal="false">
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-row>
          <el-col :span="24">
            <el-form-item label="上级菜单">
              <treeselect
                v-model="form.parentId"
                :options="menuOptions"
                :normalizer="normalizer"
                :show-count="true"
                placeholder="选择上级菜单"
              />
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="菜单类型" prop="menuType">
              <el-radio-group v-model="form.menuType">
                <el-radio label="M">目录</el-radio>
                <el-radio label="C">菜单</el-radio>
                <el-radio label="F">按钮</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item v-if="form.menuType != 'F'" label="菜单图标">
              <el-popover placement="bottom-start" width="460" trigger="click" @show="$refs['iconSelect'].reset()">
                <IconSelect ref="iconSelect" @selected="selected" />
                <el-input slot="reference" v-model="form.icon" placeholder="点击选择图标" readonly>
                  <svg-icon
                    v-if="form.icon"
                    slot="prefix"
                    :icon-class="form.icon"
                    class="el-input__icon"
                    style="height: 32px; width: 16px;"
                  />
                  <i v-else slot="prefix" class="el-icon-search el-input__icon" />
                </el-input>
              </el-popover>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="菜单名称" prop="menuName">
              <el-input v-model="form.menuName" placeholder="请输入菜单名称" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="显示排序" prop="orderNum">
              <el-input-number v-model="form.orderNum" controls-position="right" :min="0" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'F'" label="是否外链">
              <el-radio-group v-model="form.isFrame">
                <el-radio label="0">是</el-radio>
                <el-radio label="1">否</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'F'" label="路由地址" prop="path">
              <el-input v-model="form.path" placeholder="请输入路由地址" />
            </el-form-item>
          </el-col>
          <el-col :span="12" v-if="form.menuType == 'C'">
            <el-form-item label="组件路径" prop="component">
              <el-input v-model="form.component" placeholder="请输入组件路径" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'M'" label="权限标识">
              <el-input v-model="form.perms" placeholder="请权限标识" maxlength="50" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'F'" label="显示状态">
              <el-radio-group v-model="form.visible">
                <el-radio v-for="dict in visibleOptions" :key="dict.dictValue" :label="dict.dictValue">{{
                  dict.dictLabel
                }}</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'F'" label="菜单状态">
              <el-radio-group v-model="form.status">
                <el-radio v-for="dict in statusOptions" :key="dict.dictValue" :label="dict.dictValue">{{
                  dict.dictLabel
                }}</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
  import { listMenu, getMenu, delMenu, addMenu, updateMenu } from '@/api/system/menu'
  import Treeselect from '@riophae/vue-treeselect'
  import '@riophae/vue-treeselect/dist/vue-treeselect.css'
  import IconSelect from '@/components/IconSelect'

  export default {
    name: 'Menu',
    components: { Treeselect, IconSelect },
    data() {
      return {
        // 遮罩层
        loading: true,
        // 显示搜索条件
        showSearch: true,
        // 菜单表格树数据
        menuList: [],
        // 菜单树选项
        menuOptions: [],
        // 弹出层标题
        title: '',
        // 是否显示弹出层
        open: false,
        // 显示状态数据字典
        visibleOptions: [
          {
            dictValue: '0',
            dictLabel: '显示'
          },
          {
            dictValue: '1',
            dictLabel: '隐藏'
          }
        ],
        // 菜单状态数据字典
        statusOptions: [],
        // 查询参数
        queryParams: {
          menuName: undefined,
          visible: undefined
        },
        // 表单参数
        form: {},
        // 表单校验
        rules: {
          menuName: [{ required: true, message: '菜单名称不能为空', trigger: 'blur' }],
          orderNum: [{ required: true, message: '菜单顺序不能为空', trigger: 'blur' }],
          path: [{ required: true, message: '路由地址不能为空', trigger: 'blur' }]
        }
      }
    },
    created() {
      this.getList()
      // this.getDicts('sys_show_hide').then((response) => {
      //   this.visibleOptions = response.data
      // })
      this.getDicts('sys_normal_disable').then((response) => {
        this.statusOptions = response.data
      })
    },
    methods: {
      // 选择图标
      selected(name) {
        this.form.icon = name
      },
      /** 查询菜单列表 */
      getList() {
        this.loading = true
        listMenu(this.queryParams).then((response) => {
          console.log('1', this.handleTree(response.data, 'menuId'))
          this.menuList = this.handleTree(response.data, 'menuId')
          console.log('2', this.menuList)
          this.loading = false
        })
      },
      /** 转换菜单数据结构 */
      normalizer(node) {
        if (node.children && !node.children.length) {
          delete node.children
        }
        return {
          id: node.menuId,
          label: node.menuName,
          children: node.children
        }
      },
      /** 查询菜单下拉树结构 */
      getTreeselect() {
        listMenu().then((response) => {
          this.menuOptions = []
          const menu = { menuId: 0, menuName: '主类目', children: [] }
          menu.children = this.handleTree(response.data, 'menuId')
          this.menuOptions.push(menu)
        })
      },
      // 显示状态字典翻译
      visibleFormat(row, column) {
        if (row.menuType == 'F') {
          return ''
        }
        return this.selectDictLabel(this.visibleOptions, row.visible)
      },
      // 菜单状态字典翻译
      statusFormat(row, column) {
        if (row.menuType == 'F') {
          return ''
        }
        return this.selectDictLabel(this.statusOptions, row.status)
      },
      // 取消按钮
      cancel() {
        this.open = false
        this.reset()
      },
      // 表单重置
      reset() {
        this.form = {
          menuId: undefined,
          parentId: 0,
          menuName: undefined,
          icon: undefined,
          menuType: 'M',
          orderNum: undefined,
          isFrame: '1',
          visible: '0',
          status: '0'
        }
        this.resetForm('form')
      },
      /** 搜索按钮操作 */
      handleQuery() {
        this.getList()
      },
      /** 重置按钮操作 */
      resetQuery() {
        this.resetForm('queryForm')
        this.handleQuery()
      },
      /** 新增按钮操作 */
      handleAdd(row) {
        this.reset()
        this.getTreeselect()
        if (row != null && row.menuId) {
          this.form.parentId = row.menuId
        } else {
          this.form.parentId = 0
        }
        this.open = true
        this.title = '添加菜单'
      },
      /** 修改按钮操作 */
      handleUpdate(row) {
        this.reset()
        this.getTreeselect()
        getMenu(row.menuId).then((response) => {
          this.form = response.data
          this.open = true
          this.title = '修改菜单'
        })
      },
      /** 提交按钮 */
      submitForm: function () {
        this.$refs['form'].validate((valid) => {
          if (valid) {
            if (this.form.menuId != undefined) {
              updateMenu(this.form).then((response) => {
                if (response.code === 200) {
                  this.msgSuccess('修改成功')
                  this.open = false
                  this.getList()
                }
              })
            } else {
              addMenu(this.form).then((response) => {
                if (response.code === 200) {
                  this.msgSuccess('新增成功')
                  this.open = false
                  this.getList()
                }
              })
            }
          }
        })
      },
      /** 删除按钮操作 */
      handleDelete(row) {
        this.$confirm('是否确认删除名称为"' + row.menuName + '"的数据项?', '警告', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        })
          .then(function () {
            return delMenu(row.menuId)
          })
          .then(() => {
            this.getList()
            this.msgSuccess('删除成功')
          })
          .catch(function () {})
      }
    }
  }
</script>
